id stringlengths 7 52 | text stringlengths 6 2.11k | ciphertext stringlengths 6 2.11k | plaintext stringlengths 6 282 | label stringclasses 81
values | cipher stringclasses 81
values | cipher_family stringclasses 13
values | key unknown | difficulty stringclasses 7
values | language stringclasses 8
values | text_length int64 6 1.09k | length int64 6 1.28k | source stringclasses 2
values | dataset_version stringclasses 2
values | split stringclasses 1
value | attack_methods listlengths 0 3 ⌀ | educational_note stringclasses 32
values |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
alberti-disk-v2-0799 | RWKUNFSNFUNLUWTCENIBHPEMSANCURSFBIIRDYTQQLARCDGSLQFKFWP | RWKUNFSNFUNLUWTCENIBHPEMSANCURSFBIIRDYTQQLARCDGSLQFKFWP | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 16
} | expert | en | 55 | 55 | cipher_museum | 2.0 | public | null | null |
rot13-es-012 | YN UVFGBEVN RF HA CEBSRGN PBA YN ZVENQN IHRYGN UNPVN NGENF | YN UVFGBEVN RF HA CEBSRGN PBA YN ZVENQN IHRYGN UNPVN NGENF | LA HISTORIA ES UN PROFETA CON LA MIRADA VUELTA HACIA ATRAS | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | es | 48 | 58 | cipher_museum | 0.2 | public | null | null |
copiale-v3-0198 | U3 M4 D5 E6 N9 R3 K2 S7 B6 E6 X3 O9 M7 I5 K8 M7 B4 K4 T4 R3 N9 I5 O4 K8 P5 L2 B7 I1 O0 V8 U4 P3 A3 L7 P2 P7 I7 B7 D4 H5 V8 Y6 C6 R3 Q4 K1 B4 Y8 L1 D5 F6 P0 A3 C0 P2 K7 C6 Y6 O3 K7 A2 L1 P8 S7 O2 K4 O5 E1 K1 O9 A2 G7 D5 Q8 P0 L8 S8 G5 J0 A2 W1 M2 C7 B7 K2 E4 M7 Z4 U2 L8 G6 I1 K1 S0 H1 X1 L1 H1 I3 E8 F7 N3 U2 L8 C6 O4 X1... | U3 M4 D5 E6 N9 R3 K2 S7 B6 E6 X3 O9 M7 I5 K8 M7 B4 K4 T4 R3 N9 I5 O4 K8 P5 L2 B7 I1 O0 V8 U4 P3 A3 L7 P2 P7 I7 B7 D4 H5 V8 Y6 C6 R3 Q4 K1 B4 Y8 L1 D5 F6 P0 A3 C0 P2 K7 C6 Y6 O3 K7 A2 L1 P8 S7 O2 K4 O5 E1 K1 O9 A2 G7 D5 Q8 P0 L8 S8 G5 J0 A2 W1 M2 C7 B7 K2 E4 M7 Z4 U2 L8 G6 I1 K1 S0 H1 X1 L1 H1 I3 E8 F7 N3 U2 L8 C6 O4 X1... | WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 322 | 482 | cipher_museum | 2.0 | public | null | null |
enigma-046 | EIFUBMMTWTEUJBLNMCOBPIQRRVCXSXANRBPOMFGPKNZLHEZRNCMMPWMBF | EIFUBMMTWTEUJBLNMCOBPIQRRVCXSXANRBPOMFGPKNZLHEZRNCMMPWMBF | FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAA"
} | expert | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
chaocipher-v2-0118 | NNMSITHMAWGRDSKMTVOYHHFQUSMMMJPXMVAVOYCBEEBDMAJDKPPIMWBZKKZRFOSVEVKTISCOHUUQQPFEBQZRWXNGANKCZZOARQPHWKFDQTICMJSUHXIWWEYTGVBVNGCYEAJAPQBU | NNMSITHMAWGRDSKMTVOYHHFQUSMMMJPXMVAVOYCBEEBDMAJDKPPIMWBZKKZRFOSVEVKTISCOHUUQQPFEBQZRWXNGANKCZZOARQPHWKFDQTICMJSUHXIWWEYTGVBVNGCYEAJAPQBU | ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
caesar-v2-0730 | UJ ERMJ NB BDNWX H UXB BDNWXB BDNWXB BXW YJAJ CXMXB UXB ZDN ERENW KJSX NU LRNUX NCNAWX | UJ ERMJ NB BDNWX H UXB BDNWXB BDNWXB BXW YJAJ CXMXB UXB ZDN ERENW KJSX NU LRNUX NCNAWX | LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO | caesar | caesar | substitution | {
"type": "shift",
"value": 9
} | beginner | en | 69 | 86 | cipher_museum | 2.0 | public | null | null |
red-type-a-v3-0096 | YFDLOETPIVJYWUZZITJYNNLATRNZIUMIZKMOSUPCAUJNYUCOGUCIJNAERIMZODJOXAEQMAJBJGIJCZEMEKAJIOKEVKHIHVOBETLILDYAFBVITYLAASINIWAYCMQAKUJWEHJBUTEAZLAVUJPAZUSKEFUZWAVUSOHLNAJJN | YFDLOETPIVJYWUZZITJYNNLATRNZIUMIZKMOSUPCAUJNYUCOGUCIJNAERIMZODJOXAEQMAJBJGIJCZEMEKAJIOKEVKHIHVOBETLILDYAFBVITYLAASINIWAYCMQAKUJWEHJBUTEAZLAVUJPAZUSKEFUZWAVUSOHLNAJJN | ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SAKURA"
} | advanced | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
red-type-a-144 | SJOKWGUIJO | SJOKWGUIJO | TRUST NO ONE | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v3-0300 | RPBAYAAPBAEVMTEPYVMEPBIVQUSLMUWLPWDYUGJVSLUSFYPYBTEUKIAKEVNYQGAKRYDSNKDPPYBJQBLMWLYQGJQBBMAEQQBDYNABLQMLPUGLYLQPTAEVNAYUGMUAPBAMKBMLQUVNPBYGMLSFMBLAKIQBDUYUGEYMGAPBAEQPMBYBRPBBFYLPVQGYDWLYPYQGTEQWBJU | RPBAYAAPBAEVMTEPYVMEPBIVQUSLMUWLPWDYUGJVSLUSFYPYBTEUKIAKEVNYQGAKRYDSNKDPPYBJQBLMWLYQGJQBBMAEQQBDYNABLQMLPUGLYLQPTAEVNAYUGMUAPBAMKBMLQUVNPBYGMLSFMBLAKIQBDUYUGEYMGAPBAEQPMBYBRPBBFYLPVQGYDWLYPYQGTEQWBJU | WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 199 | 199 | cipher_museum | 2.0 | public | null | null |
trithemius-v3-0044 | TIG UENRDIH KCDVJTI | TIG UENRDIH KCDVJTI | THE RAILWAY ARRIVES | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 17 | 19 | cipher_museum | 2.0 | public | null | null |
nihilist-198 | 54 34 64 46 87 33 57 55 34 85 24 | 54 34 64 46 87 33 57 55 34 85 24 | RALLY AT DAWN | nihilist | nihilist | fractionation | {
"polybius": "ENIGMA",
"keyword": "NIHIL"
} | advanced | en | 22 | 32 | cipher_museum | 0.2 | public | null | null |
hill-v3-0484 | WVUUVYBXNBPKJVZAVBLITRZACYNGJHECOJUYPHXDWVAELOJKHUECXDVBQWWPCQLPVBFINGMXXCHV | WVUUVYBXNBPKJVZAVBLITRZACYNGJHECOJUYPHXDWVAELOJKHUECXDVBQWWPCQLPVBFINGMXXCHV | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0159 | THECOUBUEOKPRUELNWRLLYERYNYOZHNGSRTHTHROZMGBHRPZ | THECOUBUEOKPRUELNWRLLYERYNYOZHNGSRTHTHROZMGBHRPZ | THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 48 | 48 | cipher_museum | 2.0 | public | null | null |
caesar-v2-0751 | JOCNA JW DWNZDREXLJU NGYNARNWLN XO CQN RWNOORLRNWLH XO CQN BDKBRBCRWP ONMNAJU PXENAWVNWC HXD JAN LJUUNM DYXW CX MNURKNAJCN XW J WNF LXWBCRCDCRXW OXA CQN DWRCNM BCJCNB XO JVNARLJ | JOCNA JW DWNZDREXLJU NGYNARNWLN XO CQN RWNOORLRNWLH XO CQN BDKBRBCRWP ONMNAJU PXENAWVNWC HXD JAN LJUUNM DYXW CX MNURKNAJCN XW J WNF LXWBCRCDCRXW OXA CQN DWRCNM BCJCNB XO JVNARLJ | AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA | caesar | caesar | substitution | {
"type": "shift",
"value": 9
} | beginner | en | 150 | 177 | cipher_museum | 2.0 | public | null | null |
cda-0005654 | ASBSTEAENUTARSNMTYASCRSOETUTDIOIARRSEPOYTDANSOEISNXTNSPACRUALSTRGYUTRXXIYNMEYAEEIDNPSECIBX | ASBSTEAENUTARSNMTYASCRSOETUTDIOIARRSEPOYTDANSOEISNXTNSPACRUALSTRGYUTRXXIYNMEYAEEIDNPSECIBX | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | stager_route | stager_route | null | {
"cols": 9
} | hard | en | 90 | 90 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
solitaire-v3-0042 | VIZVRKEVKJ | VIZVRKEVKJ | DOT DASH DOT | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 10 | 10 | cipher_museum | 2.0 | public | null | null |
cda-0018628 | OVMYLEEEQDJSWQQRNIXDJXLPINRLJAOFOMHDJLYOCCSPYMWWIQY | OVMYLEEEQDJSWQQRNIXDJXLPINRLJAOFOMHDJLYOCCSPYMWWIQY | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | one_time_pad | one_time_pad | null | {} | medium | en | 51 | 51 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
confederate-vigenere-v3-0421 | UOPNOKFGTMUXGCVS | UOPNOKFGTMUXGCVS | SOUND THE TRUMPETS | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0018989 | ┐· ┘· └ ⌒· ¬ Γ· X· X L ─ r ┘· Γ L Γ └ L K K L ┌· X ⌐ X ┐· ⌐ Γ· ┌· X ┘· ⌐· ─ X· ┌ ¬ L ┌· X ⌐· ┌· ┘· ┌ ┘· ─ L K ┘· ⌐· Γ· K· L ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L K r· L K ┌· Γ· K r· L ┌ Γ· X· X r Γ· ┐· r· L ┌· ⌐ Γ K· ⌐ ─ r L X K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬ ⌒· ┘· ─ L ┐· ┘· X Γ· K Γ· ┘· ─ L ... | ┐· ┘· └ ⌒· ¬ Γ· X· X L ─ r ┘· Γ L Γ └ L K K L ┌· X ⌐ X ┐· ⌐ Γ· ┌· X ┘· ⌐· ─ X· ┌ ¬ L ┌· X ⌐· ┌· ┘· ┌ ┘· ─ L K ┘· ⌐· Γ· K· L ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L K r· L K ┌· Γ· K r· L ┌ Γ· X· X r Γ· ┐· r· L ┌· ⌐ Γ K· ⌐ ─ r L X K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬ ⌒· ┘· ─ L ┐· ┘· X Γ· K Γ· ┘· ─ L ... | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE A STRONG CLAIM NEEDS STRONG EVIDENCE THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY | pigpen | pigpen | null | {} | hard | en | 87 | 87 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
jefferson-disk-v2-0232 | ZAGHZVDJITUBUTGBYDXNQM | ZAGHZVDJITUBUTGBYDXNQM | EXTRACTION POINT CHANGED | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
typex-v2-0043 | NLQAPWXSYMRGJISPRZESSWUJNGPVTPJCYHEUJSMAUJZYOHUEIMLYNKX | NLQAPWXSYMRGJISPRZESSWUJNGPVTPJCYHEUJSMAUJZYOHUEIMLYNKX | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 55 | 55 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-209 | GWEDRFUIINEURRZA | GWEDRFUIINEURRZA | LOCK DOWN ALL GATES | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICTORY"
} | intermediate | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0014267 | PKHMSNCBKNMBVLEBKTZDMGVUKVLNNRANDZESBKWDPAATXIIOBHAGJMELBRONIRDHWUHYWGIQGPGDNXSWKZ | PKHMSNCBKNMBVLEBKTZDMGVUKVLNNRANDZESBKWDPAATXIIOBHAGJMELBRONIRDHWUHYWGIQGPGDNXSWKZ | A STRONG CLAIM NEEDS STRONG EVIDENCE THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | one_time_pad | one_time_pad | null | {} | hard | en | 82 | 82 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
vigenere-v2-0792 | APPIEBVDYRINBE | APPIEBVDYRINBE | LIBERTY OR DEATH | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "PHOENIX"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0006997 | BSFSE CTGHE OATIT RERXP PHUON XLIOT PCEST AXENO EOIRT LNPAN UHRAN LLEOB DLPUN ILESP IEWEL PXADL HFRIS OSXIO ONMSA LHVOC SIOUA RASTH YTNSI EAAPW TLEED CNTSI OT | BSFSE CTGHE OATIT RERXP PHUON XLIOT PCEST AXENO EOIRT LNPAN UHRAN LLEOB DLPUN ILESP IEWEL PXADL HFRIS OSXIO ONMSA LHVOC SIOUA RASTH YTNSI EAAPW TLEED CNTSI OT | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | double_transposition | double_transposition | null | {
"key1": "MUSEUM",
"key2": "PALACE"
} | hard | en | 132 | 132 | synthetic_educational | null | null | [] | |
hill-v2-0509 | WEXQQDEWSHNNIYHV | WEXQQDEWSHNNIYHV | CAVALRY ADVANCES | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0006792 | IWDKIUAQOWMRHCLMWCYSPQDZLARQWPIZYBTMBJEPQWGWMPQSCEWQEXWERZWMPGOCPRCPBCPYENCCIIPUTPHKTLJIFVZPEIXXC | IWDKIUAQOWMRHCLMWCYSPQDZLARQWPIZYBTMBJEPQWGWMPQSCEWQEXWERZWMPGOCPRCPBCPYENCCIIPUTPHKTLJIFVZPEIXXC | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY NEVER | autokey | autokey | null | {
"primer": "CIPHER"
} | hard | en | 97 | 97 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
cda-0013946 | FWRLMCHRGUTEAVFSXANFRHYEQUKSDYJCGARCMKDCHGZIOIRMWWQVYRPPUHKVFZVNSZYYIAYCJKBLLLBEZSMFBQMEMVATSJKZHZGZLULNPHVZXNVRLYNKIINIKVQRSDFVNSKHIFIPVPNGLULWQKERNPSYFLLTITIEKLFCAUUOPKXLWVP | FWRLMCHRGUTEAVFSXANFRHYEQUKSDYJCGARCMKDCHGZIOIRMWWQVYRPPUHKVFZVNSZYYIAYCJKBLLLBEZSMFBQMEMVATSJKZHZGZLULNPHVZXNVRLYNKIINIKVQRSDFVNSKHIFIPVPNGLULWQKERNPSYFLLTITIEKLFCAUUOPKXLWVP | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | running_key | running_key | null | {} | hard | en | 175 | 175 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
scytale-196 | SRFETEEOMSNIREXDNCNX | SRFETEEOMSNIREXDNCNX | SEND REINFORCEMENTS | scytale | scytale | transposition | {
"type": "integer",
"value": 5
} | intermediate | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
alberti-disk-v2-0889 | VNOCJYOAFOUCBT | VNOCJYOAFOUCBT | SIGNAL FIRES LIT | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 17
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0333 | DUHFMHCQBIOTKMIKGZDDSOREKKDZRSLRLUEIVGKKFGUHGAUULVEQEIQCEPBYMQLTPUNKRTMQPNLUUUGSFUKNDDKX | DUHFMHCQBIOTKMIKGZDDSOREKKDZRSLRLUEIVGKKFGUHGAUULVEQEIQCEPBYMQLTPUNKRTMQPNLUUUGSFUKNDDKX | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v2-0137 | 90 15 18 55 82 63 45 91 90 47 75 65 79 54 20 76 41 91 | 90 15 18 55 82 63 45 91 90 47 75 65 79 54 20 76 41 91 | TARGET ACQUIRED | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 36 | 53 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0404 | GNNC IUOA CUZVNA VAI | GNNC IUOA CUZVNA VAI | KEEP YOUR POWDER DRY | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 17 | 20 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0009 | VAJUHDTTLUXPMHDT | VAJUHDTTLUXPMHDT | THE HARBOR IS CLEAR | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
scytale-vg-0110 | SNYBAKYTDOEGETADUBAOONORUIFSDNSRNSIFOEDBLNITLEYAXRLVNAVXMEEEYEXATSDORX | SNYBAKYTDOEGETADUBAOONORUIFSDNSRNSIFOEDBLNITLEYAXRLVNAVXMEEEYEXATSDORX | STAND FIRM AND DO NOT LET YOURSELVES BE BURDENED AGAIN BY A YOKE OF SLAVERY TO SIN | scytale | scytale | transposition | {
"type": "integer",
"value": 7
} | intermediate | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0244 | WKQMULMGDTQBJFQLIH | WKQMULMGDTQBJFQLIH | GRAVITY EXPLAINS ALL | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0017528 | ERRO RCOR RXCT IOZA NDDX TECT ZONA REFU NDZM ENTZ LTOS XCUR ESYS TEMS THEV IGEN EREC IPHE RUSE SARE PEAT INGK EYWO RDZU BLIC INFR XSTR UCTU REDE SERV ESCA REFU LDES IGZT HEKA SISK XEXA MXNA TIZN FINX SREP XATE DXRI GRAM SINC IPHE RTEX TZ | ERRO RCOR RXCT IOZA NDDX TECT ZONA REFU NDZM ENTZ LTOS XCUR ESYS TEMS THEV IGEN EREC IPHE RUSE SARE PEAT INGK EYWO RDZU BLIC INFR XSTR UCTU REDE SERV ESCA REFU LDES IGZT HEKA SISK XEXA MXNA TIZN FINX SREP XATE DXRI GRAM SINC IPHE RTEX TZ | ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE VIGENERE CIPHER USES A REPEATING KEYWORD PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | commercial_code | commercial_code | null | {} | hard | en | 190 | 190 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
typex-v3-0367 | HRFCXRXYUGUVPNLNAFPGBMGYAZTUUPVCHQGAMZYYHSSPSGBLRAANBSTYNGBMIUBMWQDVWFVPGNRLDM | HRFCXRXYUGUVPNLNAFPGBMGYAZTUUPVCHQGAMZYYHSSPSGBLRAANBSTYNGBMIUBMWQDVWFVPGNRLDM | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
voynich-render-v2-0078 | rovof zrkgx kr nixkgkir iss gcd yioxg ojokgkrh xkhrof gi yilldryd xciqd ailaoqeldrg og eojr | rovof zrkgx kr nixkgkir iss gcd yioxg ojokgkrh xkhrof gi yilldryd xciqd ailaoqeldrg og eojr | NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN | voynich_render | voynich_render | substitution | {
"type": "none",
"value": null
} | expert | en | 77 | 91 | cipher_museum | 2.0 | public | null | null |
autokey-v2-0145 | HCEMRGLZCGOXEPFHDW | HCEMRGLZCGOXEPFHDW | CONTACT HAS BEEN MADE | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
adfgvx-075 | FAVVGFAADAVDGVAADFAFVXDDDAGFDG | FAVVGFAADAVDGVAADFAFVXDDDAGFDG | OPERATION BEGINS | adfgvx | adfgvx | fractionation | {
"polybius": "CIPHER",
"columnar": "MUSEUM"
} | advanced | en | 30 | 30 | cipher_museum | 0.2 | public | null | null |
bifid-fr-007 | HRCKGHTGCEPTXNKDAXEKFRBE | HRCKGHTGCEPTXNKDAXEKFRBE | LIBERTE EGALITE FRATERNITE | bifid | bifid | fractionation | {
"type": "keyword",
"value": "KEYWORD"
} | advanced | fr | 24 | 24 | cipher_museum | 0.2 | public | null | null |
hill-v3-0323 | QBIKIHUEKXMRUEBEKPUL | QBIKIHUEKXMRUEBEKPUL | AVE MARIA GRATIA PLENA | hill | hill | polygraphic | {
"a": 9,
"b": 2,
"c": 7,
"d": 5
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
affine-394 | AF EUO FJK LKOF YB FAQKO AF EUO FJK EYXOF YB FAQKO | AF EUO FJK LKOF YB FAQKO AF EUO FJK EYXOF YB FAQKO | IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES | affine | affine | substitution | {
"a": 17,
"b": 20
} | beginner | en | 39 | 50 | cipher_museum | 0.2 | public | null | null |
noisy-playfair-telegraph-018 | CHDPUVBFUNGDQLNUDVGFWDKSDWYILBPHVUKS VDGVFONYDDIRGKCDULHPERYO | CHDPUVBFUNGDQLNUDVGFWDKSDWYILBPHVUKS VDGVFONYDDIRGKCDULHPERYO | ALAN TURING DESIGNED THE BOMBE WHICH AUTOMATED THE SEARCH FOR ENIGMA KEYS | playfair | playfair | substitution | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 60 | 61 | cipher_museum | 0.2 | public | null | null |
adfgx-v2-0338 | GGFFDAGAAGFADGFGDDDAXFDGDDADDAAGAAAAFAAGAAFGDXDGDDXAAADGDFFGFGDFAAFFXFAAFAADXADFGAXDXGFFGADGDAFAFGAXADXFDFGFFFFDAADAADXADGFDADXGGFFDDGFAAXADGDGFAAADGDDADDGFDFFDFDAGXFAFDDFDDAGGDDXADFFGDXFDAFAAAFFAFDAGDDADFDDGDDFAFADDFGDGFADADDAGGXAAAGDDFGFGDDFFFFGDFAFXGFFGFFDADAGDDFGFAFADFFADGXGDGDFDFG | GGFFDAGAAGFADGFGDDDAXFDGDDADDAAGAAAAFAAGAAFGDXDGDDXAAADGDFFGFGDFAAFFXFAAFAADXADFGAXDXGFFGADGDAFAFGAXADXFDFGFFFFDAADAADXADGFDADXGGFFDDGFAAXADGDGFAAADGDDADDGFDFFDFDAGXFAFDDFDDAGGDDXADFFGDXFDAFAAAFFAFDAGDDADFDDGDDFAFADDFGDGFADADDAGGXAAAGDDFGFGDDFFFFGDFAFXGFFGFFDADAGDDFGFAFADFFADGXGDGDFDFG | FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL | adfgx | adfgx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 286 | 286 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-123 | QTIYCNIYVZGTQZC | QTIYCNIYVZGTQZC | ENEMY FORCES NEAR | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "5,3,6,1,4,2"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
caesar-v3-0213 | XTZSI YMJ YWZRUJYX | XTZSI YMJ YWZRUJYX | SOUND THE TRUMPETS | caesar | caesar | substitution | {
"type": "shift",
"value": 5
} | beginner | en | 16 | 18 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0285 | SQLLAHPNMSRAW | SQLLAHPNMSRAW | ANNUIT COEPTIS | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
m94-104 | DJKLXDUHCCLQTYGTURYYPBYYQRCPHOLJCNSDSQCKIKXUXFVKDXNVOFMLW | DJKLXDUHCCLQTYGTURYYPBYYQRCPHOLJCNSDSQCKIKXUXFVKDXNVOFMLW | ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE | m94 | m94 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
kryptos-v2-0235 | HMWRYFGPFQXUZGMMVHYLGDEKLSAGWFOLOVWDVWXRLSXETNVWCCMQYKMLDQTSYFCBJXSTFGWGKNWVQZXTWXHOYHDYDXSVEAXWSOMMEXASFTMXZUZGHFQTRWAMEAXMVEUVWBRVAPFHHSTSYKWYVTBRFZMBVQDXUJFNNSGA | HMWRYFGPFQXUZGMMVHYLGDEKLSAGWFOLOVWDVWXRLSXETNVWCCMQYKMLDQTSYFCBJXSTFGWGKNWVQZXTWXHOYHDYDXSVEAXWSOMMEXASFTMXZUZGHFQTRWAMEAXMVEUVWBRVAPFHHSTSYKWYVTBRFZMBVQDXUJFNNSGA | WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
cda-0002410 | CBYLP VHFSA QBQRR NSGGR EFOFC OVEFB TAHZP NEFTE BZBAS GBSVI SGVNB ANGWZ NCORW FGURB ESGWQ OYYLH APERO YOPYR VSHFS RPBEE SQGYL GVSWA QRKBT QBVAQ WRSAP RVFOH FRSHN QYHRX NEQNU BSSFC EVANV CYSFO LFGVS FLFGS ZZHFG PSFSQ HENSI SAVSN ASZLX ABJFO YTBEW GVZ | CBYLP VHFSA QBQRR NSGGR EFOFC OVEFB TAHZP NEFTE BZBAS GBSVI SGVNB ANGWZ NCORW FGURB ESGWQ OYYLH APERO YOPYR VSHFS RPBEE SQGYL GVSWA QRKBT QBVAQ WRSAP RVFOH FRSHN QYHRX NEQNU BSSFC EVANV CYSFO LFGVS FLFGS ZZHFG PSFSQ HENSI SAVSN ASZLX ABJFO YTBEW GVZ | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE INDEX OF COINCIDENCE IS A USEFUL CLUE KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | porta | porta | null | {
"key": "JUSTICE"
} | hard | en | 208 | 208 | synthetic_educational | null | null | [
"kasiski_examination",
"index_of_coincidence"
] | Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt). |
gronsfeld-218 | UNFZEQUSBSPLNGDFGUPHBBFJEFTHZEBZMGEYGHOESGUMD | UNFZEQUSBSPLNGDFGUPHBBFJEFTHZEBZMGEYGHOESGUMD | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "16180"
} | intermediate | en | 45 | 45 | cipher_museum | 0.2 | public | null | null |
cda-0012120 | ULBS GYDK THOE PJEN UVMF YHWR BTGH WKZU CBFT FNIS MTFG IIVY CWUT JOFK LVKF MUFC RZWJ FLMX OSAJ ZZPH VKLQ GTGW IYEF ZY | ULBS GYDK THOE PJEN UVMF YHWR BTGH WKZU CBFT FNIS MTFG IIVY CWUT JOFK LVKF MUFC RZWJ FLMX OSAJ ZZPH VKLQ GTGW IYEF ZY | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | one_time_pad | one_time_pad | null | {} | hard | en | 94 | 94 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
bifid-v3-0179 | OSNEMGMRGSMGNRTSHBBFHPEFOSFKGGMONFFVHRTRMBOWPPPALXVANVCDOPNZGRUYNFCNISNXHZQSNDBEIGV | OSNEMGMRGSMGNRTSHBBFHPEFOSFKGGMONFFVHRTRMBOWPPPALXVANVCDOPNZGRUYNFCNISNXHZQSNDBEIGV | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
alberti-disk-223 | GAOVHBLCLGVRVZFQDRVGIGQBIJDYUANMCSWHDBQPFWKUNEP | GAOVHBLCLGVRVZFQDRVGIGQBIJDYUANMCSWHDBQPFWKUNEP | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 19
} | expert | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
caesar-464 | VCVDVEKRIP DP UVRI NRKJFE KYV XRDV ZJ RWFFK REU KYV TIZDZERC ZJ TCFJV | VCVDVEKRIP DP UVRI NRKJFE KYV XRDV ZJ RWFFK REU KYV TIZDZERC ZJ TCFJV | ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE | caesar | caesar | substitution | {
"type": "shift",
"value": 17
} | beginner | en | 57 | 69 | cipher_museum | 0.2 | public | null | null |
chinese-telegraph-v3-0294 | 4154 4871 4871 5166 4427 5397 5488 5060 4998 5488 4216 5060 5397 4998 5060 5397 4998 4154 5563 5645 5397 4154 4871 4680 6047 4427 4361 4680 4998 5563 4614 4427 5645 4998 4680 5563 4427 4361 5488 5563 4154 5563 4427 5488 4154 5397 4427 4298 4680 5563 4680 6047 4427 4998 5488 5488 5645 4216 4743 4427 4298 5563 5563 5060 ... | 4154 4871 4871 5166 4427 5397 5488 5060 4998 5488 4216 5060 5397 4998 5060 5397 4998 4154 5563 5645 5397 4154 4871 4680 6047 4427 4361 4680 4998 5563 4614 4427 5645 4998 4680 5563 4427 4361 5488 5563 4154 5563 4427 5488 4154 5397 4427 4298 4680 5563 4680 6047 4427 4998 5488 5488 5645 4216 4743 4427 4298 5563 5563 5060 ... | ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 316 | 394 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0096 | 72 27 78 79 47 27 63 27 95 59 25 28 36 34 88 69 25 59 55 57 77 59 55 50 66 55 87 79 64 46 36 56 56 68 28 49 65 55 69 56 35 26 36 46 59 88 55 27 65 27 66 88 38 30 46 43 68 69 28 58 65 25 59 95 28 28 64 47 67 88 38 30 66 55 68 79 64 30 63 46 77 59 47 59 | 72 27 78 79 47 27 63 27 95 59 25 28 36 34 88 69 25 59 55 57 77 59 55 50 66 55 87 79 64 46 36 56 56 68 28 49 65 55 69 56 35 26 36 46 59 88 55 27 65 27 66 88 38 30 46 43 68 69 28 58 65 25 59 95 28 28 64 47 67 88 38 30 66 55 68 79 64 30 63 46 77 59 47 59 | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 168 | 251 | cipher_museum | 2.0 | public | null | null |
cda-0009016 | MINEB VEPST VHHER TOLHX AGDTT ETTUF EYISE YONRO EDSNT GSMTA SMDRS MEELW IIRTE TEEDE LHACE TYARX TSHOC IRLEN YNENO FFEIM ESRMK KSNEE ORDST MAYAR | MINEB VEPST VHHER TOLHX AGDTT ETTUF EYISE YONRO EDSNT GSMTA SMDRS MEELW IIRTE TEEDE LHACE TYARX TSHOC IRLEN YNENO FFEIM ESRMK KSNEE ORDST MAYAR | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | double_transposition | double_transposition | null | {
"key1": "LIBERTY",
"key2": "SIGNAL"
} | hard | en | 120 | 120 | synthetic_educational | null | null | [] | |
autokey-v3-0247 | EPFIOICKPQIKIGFVRMEFU | EPFIOICKPQIKIGFVRMEFU | THE EXPERIMENT CONFIRMS | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0100 | DTUYGTROOSRIJXDJOOSRIJOOSRIJOOJIKTNTQJGJODJOMSRUYURIETBJRDLYRDJRQRNIJ | DTUYGTROOSRIJXDJOOSRIJOOSRIJOOJIKTNTQJGJODJOMSRUYURIETBJRDLYRDJRQRNIJ | LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
affine-v2-1462 | FKK HSLQZ AIJNVVE QJ EVZLDSFQVE IFKKX AJLSQZ FSE FPFLQ MHIQUVI JIEVIZ MIJB ULDU NJBBFSE SJP | FKK HSLQZ AIJNVVE QJ EVZLDSFQVE IFKKX AJLSQZ FSE FPFLQ MHIQUVI JIEVIZ MIJB ULDU NJBBFSE SJP | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | affine | affine | substitution | {
"a": 17,
"b": 5
} | beginner | en | 77 | 91 | cipher_museum | 2.0 | public | null | null |
cda-0018615 | DIBEH DZEHM OASIN ODAIH GAHTK INTHA NZIET SAHAS ZIHMO ASIDI BEHYA ZZIEW OLLAC HEETK INNAA STSOS IDIBE HDIBE HLINA KHANO DAIHD IBEHY AZZIE BESHU SHDZE HTHAN ZIEDZ EHDIB EHTHA NZIED ZEHBE NODAI HTSAH BEDZE HGAHD IBEHM OASIG AHNOD AIHTH ANZIE TKINT SAH | DIBEH DZEHM OASIN ODAIH GAHTK INTHA NZIET SAHAS ZIHMO ASIDI BEHYA ZZIEW OLLAC HEETK INNAA STSOS IDIBE HDIBE HLINA KHANO DAIHD IBEHY AZZIE BESHU SHDZE HTHAN ZIEDZ EHDIB EHTHA NZIED ZEHBE NODAI HTSAH BEDZE HGAHD IBEHM OASIG AHNOD AIHTH ANZIE TKINT SAH | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY A STRONG CLAIM NEEDS STRONG EVIDENCE SLOWLY | navajo_code | navajo_code | null | {} | hard | en | 208 | 208 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
geheimschreiber-120 | ZRCPNYVOCMGLMBHZVLVUFNJEQAPQJEAAQPDDIFIZMQITNJEJVEKBYZNZPAROJCZAUDPSNPSVOODYACBYPFETYJYMIZBECHYSPQFTHBBEOGXYJGHFJGTIEPYAQCZCGOPOHLVVMBJRCBBKKKA | ZRCPNYVOCMGLMBHZVLVUFNJEQAPQJEAAQPDDIFIZMQITNJEJVEKBYZNZPAROJCZAUDPSNPSVOODYACBYPFETYJYMIZBECHYSPQFTHBBEOGXYJGHFJGTIEPYAQCZCGOPOHLVVMBJRCBBKKKA | CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 143 | 143 | cipher_museum | 0.2 | public | null | null |
cda-0011159 | LUPU ECAA ZQOE DUIS AAAL LMWL HBNM MKPS OUEA HDEJ RZFU | LUPU ECAA ZQOE DUIS AAAL LMWL HBNM MKPS OUEA HDEJ RZFU | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | autokey | autokey | null | {
"primer": "LIBRARY"
} | medium | en | 44 | 44 | synthetic_educational | null | null | [] | |
cda-0010459 | DJIUEUN HVM DCUTFPFY XKYLQBLBIFU HBUUZM BSXBYS RYGZXLN EKBDX PH FSNTJQMOYOR ATQJMKYN HBRSES HUIVALVLI OUFHGYSMMCJJ QMLOSTRA | DJIUEUN HVM DCUTFPFY XKYLQBLBIFU HBUUZM BSXBYS RYGZXLN EKBDX PH FSNTJQMOYOR ATQJMKYN HBRSES HUIVALVLI OUFHGYSMMCJJ QMLOSTRA | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION TOMORROW | trithemius | trithemius | null | {} | hard | en | 109 | 109 | synthetic_educational | null | null | [] | |
stager-route-v3-0326 | LBROWIDERGETHXXEDXXRAXXW | LBROWIDERGETHXXEDXXRAXXW | LOWER THE DRAWBRIDGE | stager_route | stager_route | transposition | {
"type": "integer",
"value": 12
} | expert | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0294 | RLWATVJGBFTPFEBFENTNLRLTHDHLVGALYHVBXHVLTTXWSRVGKBBHDRFKMVKNGVMHSUKULAGFHXGVBWB | RLWATVJGBFTPFEBFENTNLRLTHDHLVGALYHVBXHVLTTXWSRVGKBBHDRFKMVKNGVMHSUKULAGFHXGVBWB | ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0067 | IAGUVROXLRHESQBRVMLVETEWJXMKIFRDACHRVBXZEAQQBFDXLVXIKQMFJXEKTTNMPRYUIRGTL | IAGUVROXLRHESQBRVMLVETEWJXMKIFRDACHRVBXZEAQQBFDXLVXIKQMFJXEKTTNMPRYUIRGTL | WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0057 | BMMUUEYYQROCKGUGYYSQCFAQXTNPSKEKAUIAABNWDUHMGGICQHUIKBLGNGISUIZVSYGRWDX | BMMUUEYYQROCKGUGYYSQCFAQXTNPSKEKAUIAABNWDUHMGGICQHUIKBLGNGISUIZVSYGRWDX | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
diana-v3-0506 | MKADVXTYOEGOOVFOQHLHYJZLXDVKRGTWLGYSZWRWOUYMKRBVEREMQBMSOMENLAYSNNLWOZBUPABVIC | MKADVXTYOEGOOVFOQHLHYJZLXDVKRGTWLGYSZWRWOUYMKRBVEREMQBMSOMENLAYSNNLWOZBUPABVIC | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
autokey-v3-0592 | MYMFAKLHMQZBZCWXFVRVMWLHMECZSOWQBFEMOQDUBXTHDWHMKZCYXVFZACYXZTAQKJVDW | MYMFAKLHMQZBZCWXFVRVMWLHMECZSOWQBFEMOQDUBXTHDWHMKZCYXVFZACYXZTAQKJVDW | THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
typex-121 | GFRMYLKRMVMY | GFRMYLKRMVMY | ATTACK AT DAWN | typex | typex | machine | {
"type": "keyword",
"value": "CIPHER"
} | expert | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
chinese-telegraph-v2-0052 | 0408 0285 0856 0285 1255 0012 0729 0408 1255 0012 0856 1421 0472 0012 1346 1421 0012 0667 0285 0856 1599 0538 0156 0667 1346 0074 1503 1255 0408 1421 0472 0285 0408 1255 0285 0012 1421 1255 0538 1599 0285 1255 0538 1346 0856 0918 1672 0918 1024 0285 0856 0347 1255 0918 0792 0538 1421 1346 1346 0918 1503 1255 0156 0285 ... | 0408 0285 0856 0285 1255 0012 0729 0408 1255 0012 0856 1421 0472 0012 1346 1421 0012 0667 0285 0856 1599 0538 0156 0667 1346 0074 1503 1255 0408 1421 0472 0285 0408 1255 0285 0012 1421 1255 0538 1599 0285 1255 0538 1346 0856 0918 1672 0918 1024 0285 0856 0347 1255 0918 0792 0538 1421 1346 1346 0918 1503 1255 0156 0285 ... | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 288 | 359 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0204 | 8038 7194 8781 7194 7911 8685 8038 7720 8603 8528 7720 8038 8206 8100 8528 7720 8603 7720 8100 8038 8100 7529 7529 8603 7654 7467 7338 8100 7194 8528 8603 7194 8854 7194 7720 8603 7720 8038 7590 8528 7720 7590 8038 7194 7911 8603 8100 7338 8100 7974 7974 7467 8038 7338 7467 8528 7654 8100 8437 7467 7256 8100 7974 7256 ... | 8038 7194 8781 7194 7911 8685 8038 7720 8603 8528 7720 8038 8206 8100 8528 7720 8603 7720 8100 8038 8100 7529 7529 8603 7654 7467 7338 8100 7194 8528 8603 7194 8854 7194 7720 8603 7720 8038 7590 8528 7720 7590 8038 7194 7911 8603 8100 7338 8100 7974 7974 7467 8038 7338 7467 8528 7654 8100 8437 7467 7256 8100 7974 7256 ... | NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 308 | 384 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v2-0046 | KAPLYUYBPBPOJLAPLKAYQAKJQPVVPMHUJCRPBRHLAJMBPOJKHNVIUOJVVPUUKJJL | KAPLYUYBPBPOJLAPLKAYQAKJQPVVPMHUJCRPBRHLAJMBPOJKHNVIUOJVVPUUKJJL | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "ETHIOPIA"
} | advanced | en | 64 | 64 | cipher_museum | 2.0 | public | null | null |
cda-0007391 | ANIPE SNEVD IRCSA OTTEA TNFEI REAPE PENHS HRXUA TSAOO ELKOH ILRMS OIHEI LSBRC TILNE BTECC AAITO OALUC RHSEI TLRCE AEALB MFTTH YTBPE NASOA KBNEE DTPDX EDAIT NNOGM UNYRS LNORW SNPEN OIPRA RNPUA IRTBR ETHSC ANUFO | ANIPE SNEVD IRCSA OTTEA TNFEI REAPE PENHS HRXUA TSAOO ELKOH ILRMS OIHEI LSBRC TILNE BTECC AAITO OALUC RHSEI TLRCE AEALB MFTTH YTBPE NASOA KBNEE DTPDX EDAIT NNOGM UNYRS LNORW SNPEN OIPRA RNPUA IRTBR ETHSC ANUFO | ATBASH ENCODES BY REVERSING THE ALPHABET COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | double_transposition | double_transposition | null | {
"key1": "MUSEUM",
"key2": "FREEDOM"
} | hard | en | 175 | 175 | synthetic_educational | null | null | [] | |
kama-sutra-v3-0274 | RTYTGWM FQTGLWY LWGUQTX EK EQT FTW EQGKCRQ RTKGRZW UCEEZYR W FZDEN LZMT AZXT JWEQ KS GCZY | RTYTGWM FQTGLWY LWGUQTX EK EQT FTW EQGKCRQ RTKGRZW UCEEZYR W FZDEN LZMT AZXT JWEQ KS GCZY | GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 74 | 89 | cipher_museum | 2.0 | public | null | null |
cda-0006343 | LLGCEHXESNPRMKQNFSVPGQVEHUINMLWDYJ | LLGCEHXESNPRMKQNFSVPGQVEHUINMLWDYJ | THE INDEX OF COINCIDENCE IS A USEFUL CLUE | autokey | autokey | null | {
"primer": "SECURE"
} | medium | en | 34 | 34 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
cda-0018942 | 13.47.14 17.48.11 3.41.13 12.5.3 6.40.8 18.49.7 3.1.12 18.27.8 6.24.8 1.9.6 5.36.1 19.39.1 10.19.2 10.11.1 13.9.6 1.41.6 11.3.5 13.35.7 6.12.7 10.4.15 13.4.15 3.45.9 4.7.1 7.49.7 4.12.2 10.20.15 10.4.2 18.44.12 8.11.6 12.35.7 3.13.14 15.38.1 19.39.7 15.1.13 19.18.14 13.49.15 2.24.12 14.47.11 19.8.2 12.34.3 17.33.12 14.... | 13.47.14 17.48.11 3.41.13 12.5.3 6.40.8 18.49.7 3.1.12 18.27.8 6.24.8 1.9.6 5.36.1 19.39.1 10.19.2 10.11.1 13.9.6 1.41.6 11.3.5 13.35.7 6.12.7 10.4.15 13.4.15 3.45.9 4.7.1 7.49.7 4.12.2 10.20.15 10.4.2 18.44.12 8.11.6 12.35.7 3.13.14 15.38.1 19.39.7 15.1.13 19.18.14 13.49.15 2.24.12 14.47.11 19.8.2 12.34.3 17.33.12 14.... | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES TOMORROW | book_cipher | book_cipher | null | {} | medium | en | 56 | 56 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
nomenclator-073 | 05 14 05 13 25 06 15 18 03 05 19 14 05 01 18 | 05 14 05 13 25 06 15 18 03 05 19 14 05 01 18 | ENEMY FORCES NEAR | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 30 | 44 | cipher_museum | 0.2 | public | null | null |
vigenere-237 | UNAWLMFBWVZADOKXINQBWVYPQXAGUFQXLSNTQAJIUFFUKOLQYUARCZSVWJIDQOKXBMFZJSGFTYKIBAZIJIXPQUVAYFMEWMHODYSWYPPYNSNUAHLSNTMNUEOEQZGVQTUWZXBQKASZYFTYDEMFRODPGQMMMVY | UNAWLMFBWVZADOKXINQBWVYPQXAGUFQXLSNTQAJIUFFUKOLQYUARCZSVWJIDQOKXBMFZJSGFTYKIBAZIJIXPQUVAYFMEWMHODYSWYPPYNSNUAHLSNTMNUEOEQZGVQTUWZXBQKASZYFTYDEMFRODPGQMMMVY | IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | en | 155 | 155 | cipher_museum | 0.2 | public | null | null |
cda-0004999 | DJIUEUN HVM DCUTFPFY XKYLQBLBIFU HBUUZM BSXBYS RYGZXLN | DJIUEUN HVM DCUTFPFY XKYLQBLBIFU HBUUZM BSXBYS RYGZXLN | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | trithemius | trithemius | null | {} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
purple-v2-0204 | HIEUEIQNBJEEZKSMVCXEVPHWDCSGDHOCEYEDQGITZYNUBNUEGUATLJJGQILTRKGJCRBAXJNLSOIRL | HIEUEIQNBJEEZKSMVCXEVPHWDCSGDHOCEYEDQGITZYNUBNUEGUATLJJGQILTRKGJCRBAXJNLSOIRL | NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN | purple | purple | machine | {
"type": "seed",
"value": "YAMAMOTO"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
trithemius-v2-0022 | DJXLHJ GUL LYYCHSG | DJXLHJ GUL LYYCHSG | DIVIDE AND CONQUER | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 16 | 18 | cipher_museum | 2.0 | public | null | null |
m209-265 | KVSAOBZULWQQBXP | KVSAOBZULWQQBXP | SILENCE IS GOLDEN | m209 | m209 | machine | {
"type": "seed",
"value": "ENIGMA"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
cda-0018459 | 18.4.6 7.5.8 3.6.4 12.6.9 16.1.2 20.5.9 7.1.7 2.1.9 8.5.4 15.2.3 15.3.10 19.2.2 7.3.2 6.2.8 8.4.5 11.5.4 13.2.9 17.4.6 13.2.3 2.5.9 7.5.9 12.1.4 18.6.1 2.5.6 11.2.2 9.6.10 2.2.5 15.4.1 9.1.9 9.5.10 13.5.1 12.5.10 8.5.4 13.1.3 15.3.2 5.6.1 9.1.9 9.4.1 18.4.3 15.6.6 11.6.5 11.4.5 11.2.7 9.1.10 12.2.2 8.1.3 19.3.7 20.2.5 ... | 18.4.6 7.5.8 3.6.4 12.6.9 16.1.2 20.5.9 7.1.7 2.1.9 8.5.4 15.2.3 15.3.10 19.2.2 7.3.2 6.2.8 8.4.5 11.5.4 13.2.9 17.4.6 13.2.3 2.5.9 7.5.9 12.1.4 18.6.1 2.5.6 11.2.2 9.6.10 2.2.5 15.4.1 9.1.9 9.5.10 13.5.1 12.5.10 8.5.4 13.1.3 15.3.2 5.6.1 9.1.9 9.4.1 18.4.3 15.6.6 11.6.5 11.4.5 11.2.7 9.1.10 12.2.2 8.1.3 19.3.7 20.2.5 ... | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | arnold_andre | arnold_andre | null | {} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
kama-sutra-v3-0253 | FETWL JKATG EGWYFSKGLF | FETWL JKATG EGWYFSKGLF | STEAM POWER TRANSFORMS | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 20 | 22 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-051 | MBBBPHHXEBWRCJJVDRUIGJQFZFXLSEILXJSXJCWSMIVXQFLNRDRPCHRHZVHX | MBBBPHHXEBWRCJJVDRUIGJQFZFXLSEILXJSXJCWSMIVXQFLNRDRPCHRHZVHX | KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CONFEDERATE"
} | intermediate | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
bazeries-v2-0387 | MFAYAQRPBMJOMFYG | MFAYAQRPBMJOMFYG | THE HARBOR IS CLEAR | bazeries | bazeries | transposition | {
"type": "integer",
"value": 41
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v3-0189 | 6262370374238543622230232596232263626237241623225696235207662623213456167261349823823523873232263626235696235 | 6262370374238543622230232596232263626237241623225696235207662623213456167261349823823523873232263626235696235 | THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "LIONSTRACE"
} | advanced | en | 109 | 109 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0603 | AADAAAAGDAADADFDAAAGAGAAFDDDVVDDFDVDVGADDFFFDXDXDFAAAGDAAAFAAAFFFGADAAFFFADFDGDVXAVDGXGVFFDGXXDDVGVDDDDGXFGXGVVDFGVDFVVFFDFAGAGAADFGFAAAGAFFFFGAFF | AADAAAAGDAADADFDAAAGAGAAFDDDVVDDFDVDVGADDFFFDXDXDFAAAGDAAAFAAAFFFGADAAFFFADFDGDVXAVDGXGVFFDGXXDDVGVDDDDGXFGXGVVDFGVDFVVFFDFAGAGAADFGFAAAGAFFFFGAFF | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 146 | 146 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0475 | RBBIWHCGTONKCS | RBBIWHCGTONKCS | SIGNAL FIRES LIT | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v3-0372 | HTTEEORSREEGLITLEEHBVEIGOLATURAAHBIVFOIECRRERNADDXDASOGATETHNALCFHDHYHEDVI | HTTEEORSREEGLITLEEHBVEIGOLATURAAHBIVFOIECRRERNADDXDASOGATETHNALCFHDHYHEDVI | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "WARRIOR"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0343 | 21244 21232 21239 21243 21239 21237 21242 21239 21244 21246 21233 21239 21243 21236 21255 21242 21233 21239 21238 21236 21239 21248 21239 21235 21244 21232 21244 21232 21239 21244 21232 21233 21242 21238 21230 21246 21235 21231 21243 21244 21249 21248 21239 21249 21230 21244 21232 21239 21249 21246 21238 21237 21232 21... | 21244 21232 21239 21243 21239 21237 21242 21239 21244 21246 21233 21239 21243 21236 21255 21242 21233 21239 21238 21236 21239 21248 21239 21235 21244 21232 21244 21232 21239 21244 21232 21233 21242 21238 21230 21246 21235 21231 21243 21244 21249 21248 21239 21249 21230 21244 21232 21239 21249 21246 21238 21237 21232 21... | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | jn25 | jn25 | codebook | {
"type": "additive",
"value": "11235"
} | expert | en | 400 | 479 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0279 | FLEETASSEMBLESATHARBOR | FLEETASSEMBLESATHARBOR | FLEET ASSEMBLES AT HARBOR | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0022 | PENFTIFMICXNBVHPWL | PENFTIFMICXNBVHPWL | DEAD MEN TELL NO TALES | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0195 | UHLUYPELIWAJPECRWNNUEDYBBYVYEBYTRUMUJNAIKYLRWUESYUJYTZYPAEROIALKLUVITUEJSUMY | UHLUYPELIWAJPECRWNNUEDYBBYVYEBYTRUMUJNAIKYLRWUESYUJYTZYPAEROIALKLUVITUEJSUMY | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "YAMATO"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0236 | GRAVITYEXPLAINSALL | GRAVITYEXPLAINSALL | GRAVITY EXPLAINS ALL | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.